latrotoxin


latrotoxin
(= a-latrotoxin; a-LTx)
Major toxin from Latrodectus spp. (1401 residues). Causes release of neurotransmitters from all synapses. An insect-specific toxin, a -latroinsectotoxin, is also present in the venom and has substantial homology and similar mode of action to a -latrotoxin.

Dictionary of molecular biology. 2004.

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  • Latrotoxin — A latrotoxin is a high molecular mass neurotoxin found in the venom of Latrodectus spiders (commonly known as widow spiders). Latrotoxin are the main active components of the venom and are responsible for the symptoms of latrodectism. The… …   Wikipedia

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